Mathc matrices/01r
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c00a.c |
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/* ------------------------------------ */
/* Save as : c00a.c */
/* ------------------------------------ */
#include "v_a.h"
/* ------------------------------------ */
void fun(int rc)
{
double **A = rlower_mR(i_mR(rc,rc),9);
double **invA = i_mR(rc,rc);
double **AinvA = i_mR(rc,rc);
clrscrn();
printf(" A : ");
p_mR(A,S4,P0,C6);
printf(" invA : ");
p_mR(inv_mR(A,invA),S4,P5,C6);
printf(" A * invA : ");
p_mR(mul_mR(A,invA,AinvA),S4,P5,C6);
f_mR(A);
f_mR(invA);
f_mR(AinvA);
}
/* ------------------------------------ */
int main(void)
{
time_t t;
srand(time(&t));
do
fun(rp_I(RC4)+RC1);
while(stop_w());
return 0;
}
/* ------------------------------------ */
/* ------------------------------------ */
Exemple de sortie écran :
A :
+6 +0 +0 +0 +0
-1 -5 +0 +0 +0
+7 +3 -7 +0 +0
+4 +5 -1 +3 +0
+5 +8 -1 +2 +3
invA :
+0.16667 -0.00000 +0.00000 -0.00000 -0.00000
-0.03333 -0.20000 -0.00000 +0.00000 +0.00000
+0.15238 -0.08571 -0.14286 +0.00000 -0.00000
-0.11587 +0.30476 -0.04762 +0.33333 -0.00000
-0.06085 +0.30159 -0.01587 -0.22222 +0.33333
A * invA :
+1.00000 +0.00000 +0.00000 +0.00000 +0.00000
-0.00000 +1.00000 +0.00000 +0.00000 +0.00000
-0.00000 -0.00000 +1.00000 +0.00000 +0.00000
+0.00000 +0.00000 +0.00000 +1.00000 +0.00000
+0.00000 +0.00000 +0.00000 +0.00000 +1.00000
Press return to continue
Press X return to stop